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A 6.2-magnitude earthquake struck central Italy early Wednesday, killing more than 240 people and trapping an unknown number beneath rubble. Tremors were felt as far away as Rome, 100 km (65 miles) southwest of the quake's epicenter.

When you sit down to enjoy a beer, you probably don't spend a lot of time thinking about one of its main ingredients – water. Or the fact that 3,000 children die each day from diseases caused by unsafe water.